Glue Factory is a Beginner Track. It's long...MUCH long...Due to glued spots. The track appearance resembles a square. Bloons come from the bottom left of the track and goes to right, then it turns to down. The special in this track is that 10 random spots are glued, and glues up to 10 bloons. Once the round is over, the remaining 10 glued spots will disappear, and other ten will be glued. After Round 25, instead of 10, 12 random spots will be glued. After Round 50, instead of 12, 15 random spots will be glued, and can glue up to 20 bloons at once. After Round 75, 25 spots will be glued, and they can glue up to 30 bloons at once. After Round 100, 30 spots will be glued, and those are corrosive(their color are green). There's no change after Round 100.